Finding the Fourth Proportional to 1,811,356.14, 2,716,867.62 and 613,141.50
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Solution
The fourth proportional to 1,811,356.14, 2,716,867.62 and 613,141.50 is: 919,655.86
Step by Step Solution
- Step 1: Write the proportion equation
1,811,356.14 : 2,716,867.62 = 613,141.50 : x - Step 2: Convert to fraction form
1,811,356.14/2,716,867.62 = 613,141.50/x - Step 3: Cross multiply
1,811,356.14x = 2,716,867.62 × 613,141.50 - Step 4: Simplify right side
1,811,356.14x = 1,665,824,287,828.23 - Step 5: Solve for x
x = 1,665,824,287,828.23/1,811,356.14 - Step 6: Final answer
x = 919,655.86
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.